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A person in good physical condition can put out 100w of useful power for several hours at a stretch, perhaps by pedaling a mechanism that

A person in good physical condition can put out 100w of useful power for several hours at a stretch, perhaps by pedaling a mechanism that drives any electric generator. neglecting any problems of generator efficiency and practical consideration such as resting time: (A) How many people would it take to run a 3.00 kW electric clothes dryer? (B) How many people would it take to replace a large electric power plant that generates 700 MW

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